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The MAX20428 is a high-efficiency, eight-way output, low-voltage PMIC. The OUT1 boosts the input power supply to 5V with a current of up to 500mA, while the three synchronous buck converters have input voltage ranges from 3.0V to 4.2V and output voltage ranges from 0.8V to 3.9875V with peak currents up to 1.3A, 1.3A and 3.5A, respectively. The three 300mA pMOS Ldos feature input voltages from 2.7V to 5.5V and provide output voltages from 0.8V to 3.9875V. Also equipped with 25mΩ load switch with soft start function. All regulated outputs achieve ±1.5% DC accuracy across load, line and temperature ranges.

Features

Versatile, small size

Synchronous 5V, 500mA boost converters

Dual channel 1A synchronous buck converter

0.8V to 3.9875V (12.5mV step)

1.3A Peak output capability

Single-channel 3A synchronous buck converter

0.8V to 3.9875V (12.5mV step)

3.5A Peak output capability

Three 300mA low pressure differential linear regulators

1 25mΩ load switch

Programmable challenge/response watchdog

I2C Super Fast mode compatible interface with Packet error check (PEC) option

2.1MHz internal operation with spread spectrum option

High precision performance

Output voltage accuracy: ±1.5%

±1% undervoltage/overvoltage monitoring

Excellent load transient performance

Diagnostic and redundant circuits

Meets ASIL C standards

Redundant reference voltage source

Fail-safe for open-circuit pins

Pin short circuit detection during reset

Photovoltaic power supply overvoltage/undervoltage monitoring

Stable performance, suitable for automotive environment

Current mode, forced PWM operation

Over-mild short-circuit protection

5mm x 5mm, 28-pin side wettable TQFN package

-40°C to +125°C Class 1 automotive application temperature range

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.